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Human g
growth and development
p
Much of the following was extracted from:
http://www ehow com/about 6666697 human growth
http://www.ehow.com/about_6666697_human-growthdevelopment-stages.html
The stages of human development before birth:
• Zygote – newly fertilized egg
• Embryo – multicellular, growing and organizing major
organ systems
• Fetus – after about 9 weeks of development – has
recognizable human body form
Stages after birth: Infant, Child, Juvenile, Adolescent, Adult
The stages are divided by psychological and motor abilities
that normally occur.
Most growth and development of mental and physical
capabilities occur prior to adulthood.
adulthood
Infants:
A baby is considered an infant from birth through the first year
of life. During this first year, babies develop skills that will be
lifelong resources.
resources Pediatricians look for specific markers of
growth and development during this time. Learning how to
control the head, move by crawling and sit are called gross
motor skills.
kill Using
i the
h thumb
h b andd finger
fi
to pick
i k up pieces
i
off
food and hold a pacifier are called fine motor skills. Sensory
skills are measured byy observing
g a baby’s
y ability
y to see,, hear,,
taste, touch and smell. Language skills are evident the first
year of life when a baby makes sounds, learns some basic
words and responds to the spoken word.
word Finally,
Finally social skills
include how a baby interacts with family and peers.
Child
Child:
After age 1 year, a child’s physical growth slows down
considerably.
y The toddler yyears are more mobile and
exploratory. Middle childhood occurs about age 6 years, and
children have a better sense of right and wrong then. They
also tend to become more independent as they begin
dressing themselves and spend more time at school and with
friends. Cognitive changes include rapid mental growth with
a greater ability
bili to talk
lk situations
i i
through
h
h andd focus
f
on the
h
environment around them instead of being self-centered.
Juvenile:
As children approach the ages of 9 and 10 years, they
become more independent and might start noticing the
physical changes of puberty. A major growth spurt can
occur at this time as the body begins sexual development.
This also can be a time of stress for children as peer
p
pressure takes its toll. Body image along with emotional
changes often cause children to feel less confident.
Juveniles also start preparing for middle school by taking
on more academic responsibilities and focusing on goalsetting and accomplishment.
Adolescent:
From ages 12 to 18 years, children experience distinct mental
and physical changes. According to the National Institutes of
Health (NIH), the beginning of a girl’s
girl s menstrual cycle
typically occurs 2 years after the onset of puberty. The NIH
reports that boys do not begin puberty with a distinct marker
and tend to mature with adult genitalia about age 16 or 17
years. During this time of physical change, adolescents may
become more self-centered. In middle to late adolescence,
teen-agers are often characterized as becoming more
comfortable with their body sexually and ready to have
romantic friendships. Adolescent behavior often includes the
teenager’s need to pull away from parents and authority figures
to establish their own self-identity and make decisions on their
own.
own
Adult:
Adulthood is often noted when a person is considered
chronologically, legally and behaviorally ready to hold
responsibilities
ibiliti suchh as operating
ti a motor
t vehicle,
hi l voting,
ti
taking the vows of marriage, entering into a contract and
serving in the armed forces. The process of becoming mature
does not end with adolescence but continues throughout
adulthood as psychological, safety and self-actualization needs
are met
met. Adulthood is often divided into three categories:
young adulthood, middle age and old age.
Adulthood
Ad
lth d is
i also
l characterized
h
t i d by
b progressive
i senescence – a
decline in physical and mental abilities. Many diseases are
inborn and are commonly expressed late in life.
More information and detail:
http://www.matsuk12.us/cms/lib/AK01000953/Centricity/Do
http://www
matsuk12 us/cms/lib/AK01000953/Centricity/Do
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